ACK (ACK) has the following price history information. Looking back at ACK historical stock prices for the last five trading days, on September 23, 2011, ACK opened at $11.00, traded as high as $11.00 and as low as $10.80, and closed at $10.86. Trading volume was a total of 1.90K shares. On September 26, 2011, ACK opened at $10.96, traded as high as $11.00 and as low as $10.96, and closed at $11.00. Trading volume was a total of 4.60K shares. On September 27, 2011, ACK opened at $11.43, traded as high as $11.43 and as low as $11.43, and closed at $11.43. Trading volume was a total of 100 shares. On September 28, 2011, ACK opened at $11.38, traded as high as $11.38 and as low as $11.38, and closed at $11.38. Trading volume was a total of 200 shares. On September 29, 2011, ACK opened at $11.38, traded as high as $11.38 and as low as $11.38, and closed at $11.38. Trading volume was a total of 0 shares.

ACK Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into ACK shares, starting with a $10,000 purchase of ACK, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date:

01/22/2008

End date:

09/29/2011

Start price/share:

$18.79

End price/share:

$11.38

Dividends collected/share:

$0.00

Total return:

-39.44%

Average Annual Total Return:

-12.72%

Starting investment:

$10,000.00

Ending investment:

$6,057.24

Years:

3.68

ACK Historical Closing Prices

Date

Close

09/23/2011

$10.86

09/26/2011

$11.00

09/27/2011

$11.43

09/28/2011

$11.38

09/29/2011

$11.38

Materials Historical Prices

ACK is categorized under the Materials sector; below are some other companies in the same sector:

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